<template>
  <div class="login-container">
    <div class="background" >
      <img 
      style="width: 100%;height: 99.6%;"
      src="@/styles/xxx.jpg">
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="title-container">
        <h3 class="title">竞 赛 系 统</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="用户名"
          name="username"
          type="text"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>
        <el-button
        :loading="loading"
        style="width: 40%;"
        @click.native.prevent="openDialog"
        >注  册</el-button
      >
        <el-button
        :loading="loading"
        type="primary"
        style="width: 40%; margin-left: 20%;"
        @click.native.prevent="handleLogin"
        >登 录</el-button
      >
    </el-form>
    <el-dialog
    style=" width: 1000px;
    max-width: 100%;
    padding: 100px 35px 0;
    margin: 0 auto;"
    :visible.sync="dialogVisible">
    <el-form :model="registerUser">
      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="nested" />
        </span>
        <el-input
          ref="code"
          v-model="registerUser.code"
          placeholder="学号/工号"
          name="code"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="example" />
        </span>
        <el-input
          ref="name"
          v-model="registerUser.name"
          placeholder="姓名"
          name="name"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="registerUser.username"
          placeholder="账号"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>
      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="registerUser.password"
          :type="passwordType"
          placeholder="密码"
          name="password"
          tabindex="2"
          auto-complete="on"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>
      <el-button
        :loading="loading"
        style="width: 40%;"
        @click.native.prevent="cancelDialog"
        >取 消</el-button
      >
        <el-button
        :loading="loading"
        type="primary"
        style="width: 40%; margin-left: 20%;"
        @click.native.prevent="userRegister"
        >确 定</el-button
      >
    </el-form>

    </el-dialog>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { login , register} from '@/api/user'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('Please enter the correct user name'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        // callback(new Error('The Password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      dialogVisible: false,
      loginForm: {
        username: '',
        password: ''
      },
      registerUser: {
        code: '',
        name: '',
        username: '',
        password: ''
      },
      loginRules: {
        username: [
          {
            required: true,
            trigger: 'blur',
            validator: validateUsername
          }
        ],
        password: [
          {
            required: true,
            trigger: 'blur',
            validator: validatePassword
          }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    openDialog() {
      this.dialogVisible = true
    },
    cancelDialog() {
      this.dialogVisible = false
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.Password.focus()
      })
    },
    handleLogin() {
      // this.$router.push({
      //         path: this.redirect || '/venue-display'
      //       })
      login(this.loginForm)
        .then(res => {
          if (res.data.code === 200) {
            if(res.data.data.role === 0){
              this.$router.push({
              path: this.redirect || '/venue-display'
            })
            }else{
              this.$router.push({
              path: '/admin-background/admin-config'
            })
            }
            
            localStorage.setItem('userInfo',JSON.stringify(res.data.data))
          } else {
            this.$router.push({
              path: '/'
            })
            alert(res.data.msg + "或用户名密码错误")
          }
        })
        .catch(err => {
          console.log('msg:' + err)
        })
    },
    userRegister() {
      register(this.registerUser).then(res => {
        if(res.data.code === 200) {
          this.$message({
            message: res.data.msg,
            type: 'success'
          })
          this.dialogVisible = false
          this.$router.push({
              path: '/'
            })
        }else {
          this.$message({
            message: res.data.msg,
            type: 'error'
          })
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style><style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;
.background{
    width:100%;  
    height:100%;  /**宽高100%是为了图片铺满屏幕 */
    position: absolute;
}
 

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
